Bearing unit



FIG. 1 is a perspective view of top and one side of a bearing unit showing my new design according to a first embodiment;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view of said one side thereof, the other three side elevational views being identical thereto;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a perspective view similar to FIG. 1 according to a second embodiment thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The side elevational views of the second embodiment are identical to those of the first embodiment. 

The ornamental design for a bearing unit, as shown and described. 